[Device] OpcUa Extender Server fetch Power meter PM-3133
Posted: Thu May 30, 2024 8:00 am
Description:
Using the OpcUa Extender server to fetch information from the Power meter via the Modbus RTU interface and display it on UaExpert.
OpcUa Extender server serves as an OpcUa server, fetching information from power meter and transfer it to client UaExpert.
System block:
Environment:
Operating step:
Step1:
Hardware connection:
Install clip-on CT onto the power cable, and according to the user manual, connect the L and N terminals of the power meter in parallel with the corresponding terminals of the cable(1P2W-1CT).
Also connect PM-3133 to working machine NIFE-105 with USB to RS485 adapter.
Step2:
OpcUa Extender Server setting:
Look up the registers for voltage, current and power in the user manual, and configure the register addresses in the OpcUa Extender Server.
Modbus register of PM3133:
Configuration of OpcUa Extender Server:
Upload the configuration .csv file to OpcUa Extender Server:
We will obtain the float format values for voltage, current, and power from addresses 34353, 34355, and 34357 respectively.
Step3:
UaExpert connect to OpcUa Extender Server:
The values for voltage, current, and power can be found under the path 'Protocols > ModbusRtu':
Using the OpcUa Extender server to fetch information from the Power meter via the Modbus RTU interface and display it on UaExpert.
OpcUa Extender server serves as an OpcUa server, fetching information from power meter and transfer it to client UaExpert.
System block:
- Power meter_OpcUa Extender Server_UaExpert.png (54.19 KiB) Viewed 1056 times
- Power meter: PM-3133-100P
- RS485 to USB adapter
- Working machine: NIFE-105
- 硬體配置圖.png (85.68 KiB) Viewed 1056 times
Operating step:
Step1:
Hardware connection:
Install clip-on CT onto the power cable, and according to the user manual, connect the L and N terminals of the power meter in parallel with the corresponding terminals of the cable(1P2W-1CT).
- power meter wiring.png (22.5 KiB) Viewed 1056 times
Step2:
OpcUa Extender Server setting:
Look up the registers for voltage, current and power in the user manual, and configure the register addresses in the OpcUa Extender Server.
Modbus register of PM3133:
- Register.png (54.73 KiB) Viewed 1056 times
Code: Select all
Va Va Powermeter_Rtu FLOAT 34353 1
Ia Ia Powermeter_Rtu FLOAT 34355 1
kWa kWa Powermeter_Rtu FLOAT 34357 1
- OpcUa Ext add modbus RTU_config file.png (47.2 KiB) Viewed 1056 times
Step3:
UaExpert connect to OpcUa Extender Server:
- UaExpert connect to OpcUa Ext server.png (21.12 KiB) Viewed 1056 times
The values for voltage, current, and power can be found under the path 'Protocols > ModbusRtu':
- UaExpert Protocol Modbus Rtu.png (7.3 KiB) Viewed 1056 times